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Aurosphere 200 streptavidin, Superparamagnetic Beads

Aurosphere 200 streptavidin, Superparamagnetic Beads

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Product description 

The Aurosphere 200 streptavidin superparamagnetic beads from Magnostic represent a breakthrough in performance in magnetic separation - the magnetization of these particles is 3-5x higher. This means that bioseparations can be performed in minutes with a high level of efficiency, even in viscous solutions like cell lysates. The Aurosphere 200 streptavidin beads are conveniently coated with a dense layer of streptavidin that make them ideal for the separation of cells, nucleic acids and biotinylated species from clinical samples.


  • ISO13485 compliant production
  • Uniform size
  • Streptavidin biotin binding capacity > 1800 pmole/mg                  
  • Rapid, high efficiency separation


Nominal diameter 200 nm
Coefficient of variance <20%
Magnetic Moment > 30 emu/gm
Density 3.0 gm/ml 
Functionality Streptavidin biotin binding capacity >1800 pmole/mg
Stability > 2 years
RNAase/DNAase Free Yes

Typical Applications

  • Cell separation
  • Next generation sequencing
  • In vitro diagnostics
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Customize magnetic beads for your research

Our  Aurosphere® superparamagnetic beads are highly customizable and we can adapt them specifically to our customer’s needs. Please get in touch with us so we can discuss your specific requests.